Hidemi Yoshida

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk having a large storage capacity
- Patent number 5,841,757
- Issue date Nov 24, 1998
- Mitsubishi Chemical Corporation
- Hideharu Takeshima
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical tape
- Patent number 5,527,594
- Issue date Jun 18, 1996
- Diafoil Hoechst Company, Limited
- Shinichi Kinoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
High density optical recording method and recording medium
- Patent number 5,481,530
- Issue date Jan 2, 1996
- Mitsubishi Chemical Corporation
- Chiga Ueda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical tape
- Patent number 5,459,019
- Issue date Oct 17, 1995
- Diafoil Hoechst Company, Limited
- Kenji Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Metal-containing indoaniline compound and optical recording medium...
- Patent number 4,954,420
- Issue date Sep 4, 1990
- Mitsubishi Kasei Corporation
- Shuichi Maeda
- C07 - ORGANIC CHEMISTRY